from pathlib import Path

import hellocomputer
import polars as pl
import pytest
from hellocomputer.config import settings
from hellocomputer.db import StorageEngines
from hellocomputer.db.sessions import SessionDB
from hellocomputer.extraction import extract_code_block
from hellocomputer.models import Chat

TEST_STORAGE = StorageEngines.local
TEST_OUTPUT_FOLDER = Path(hellocomputer.__file__).parents[2] / "test" / "output"
TEST_XLS_PATH = (
    Path(hellocomputer.__file__).parents[2]
    / "test"
    / "data"
    / "TestExcelHelloComputer.xlsx"
)
SID = "test"


@pytest.mark.asyncio
@pytest.mark.skipif(settings.llm_api_key == "Awesome API", reason="API Key not set")
async def test_chat_simple():
    chat = Chat(api_key=settings.llm_api_key, temperature=0)
    chat = await chat.eval("Say literlly 'Hello'")
    assert "Hello" in chat.last_response_content()


@pytest.mark.asyncio
@pytest.mark.skipif(settings.llm_api_key == "Awesome API", reason="API Key not set")
async def test_simple_data_query():
    query = "write a query that finds the average score of all students in the current database"

    chat = Chat(
        api_key=settings.llm_api_key,
        temperature=0.5,
    )
    db = SessionDB(
        storage_engine=StorageEngines.local, path=TEST_XLS_PATH.parent, sid=SID
    ).load_xls(TEST_XLS_PATH)

    chat = await chat.sql_eval(db.query_prompt(query))
    query = extract_code_block(chat.last_response_content())
    assert query.startswith("SELECT")


@pytest.mark.asyncio
@pytest.mark.skipif(settings.llm_api_key == "Awesome API", reason="API Key not set")
async def test_data_query():
    q = "Find the average score of all the sudents"

    llm = Chat(
        api_key=settings.llm_api_key,
        temperature=0.5,
    )
    db = SessionDB(
        storage_engine=TEST_STORAGE, path=TEST_OUTPUT_FOLDER, sid="test"
    ).load_folder()

    chat = await llm.sql_eval(db.query_prompt(q))
    query = extract_code_block(chat.last_response_content())
    result: pl.DataFrame = db.query(query).pl()

    assert result.shape[0] == 1
    assert result.select([pl.col("avg(Score)")]).to_series()[0] == 0.5